Edwards SIGA-SDPCB
Edwards SIGA-SDPCB
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The Edwards SIGA-SDPCB is a replacement circuit board and photoelectric sensor kit for intelligent addressable duct smoke detectors in Edwards SIGA-SD SuperDuct housing assemblies, restoring full Signature SLC protocol addressable functionality. The kit includes the PCB controller, photoelectric light-scattering sensor element, and associated components to upgrade or replace aging electronics while retaining existing duct mounting infrastructure and achieving the same intelligent detection sensitivity and addressable relay control as the original assembly.
Key Features
- Replacement PCB and photoelectric sensor for SIGA-SD SuperDuct housings
- Restores intelligent addressable Signature SLC detection
- Maintains existing duct installation and mounting configuration
- Photoelectric light-scattering smoke detection with 0.79-2.46 %/ft sensitivity
- Integrated auxiliary relay control output
- Compatible with EST fire alarm control panels
Technical Specifications
- Component Type: PCB and photoelectric sensor replacement kit
- Detection Method: Photoelectric light-scattering technology
- Operating Voltage: 15.2 to 19.95 VDC from SLC
- Current Draw: 45 µA standby and alarm
- Smoke Sensitivity: 0.79 to 2.46 %/ft obscuration
- Protocol: Edwards Signature Series SLC addressable
- Relay Output: Auxiliary control relay integrated
- Installation: Direct replacement in SIGA-SD housing
Certifications
- Compatible with Edwards EST Signature Series fire alarm systems
- UL-listed duct smoke detection replacement component
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